DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 1ST Award a ₱41.7M contract to SAL CONSTRUCTIONNational agencies

Transaction hash:

3d2b06c0f4cebbed0bf2f608b55a6a5e9f287bae7a21e6e4cd843c2c6b4c8212

Status:

Included and unchanged

Block:

#4,339 1,674 blocks after it

Position in block:

Transaction 14 of 51

Award day:

Jan 19, 2021 (5 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 1ST

To:

SAL CONSTRUCTION

Value:

₱41,679,612.73

Project:

20IH0071

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 1ST

Accountable officer:

Not stated in the source. PhilGEPS does not publish who certified the award.

Certification:

Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.

Demo signature:

Block #4,339 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTHERN SAMAR 1ST awarded it to SAL CONSTRUCTION on 2021-01-19.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 3d2b06c0f4…4c8212now …
2. Block Merkle root changed
stored d2d831f697…d5cbc9now …
3. Block #4339 hash changed
stored 374300bee1…68b48dnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 50 records. Each step hashes the current value together with the sibling shown.

leaf 3d2b06c0f4cebbed0bf2f608b55a6a5e9f287bae7a21e6e4cd843c2c6b4c8212
01 R 46007bccc4fb1665be87cd7109177f3812a7f93a410afce9ca882bd1ec5c89e9
02 L 4bc2ab8998d1402e65bae85790ef31d71618b8c300a4d18c4bf501b83ac47a65
03 L c582aec3421619a69f5ab680d4787ab91d8892fe2fc1ce91507fb0eec2e587f9
04 L 18468b5254e3d3f8f0103b45dec467a78247da66712374362fa993b59bde8cba
05 R 66953a90e88af00bb3e05efdefbea5219902cb66e4388b9b585952fafbf3aa76
06 R f3d75acffb51f332f7b0b4c3678f420faabda9f054663d56c7287c6c53ef2b37
root d2d831f6978f96e43d6d4ed2a4ed3ef17e64c0930e45423da44059d368d5cbc9